Name:_________________________________P.____

Clinical Application 14.3: The Return of the Medicinal Leech

1. What component of a leech’s saliva allowed the blood clots to stop forming?

a. How does it work?

2. Why might leeches be used by plastic and micro surgeons after a surgery?

Clinical Application 14.4: Living with Hemophilia

1. What are some symptoms that Don experienced that led to his diagnosis of hemophilia?

2. What were some of the problems associated with giving patients “whole” blood transfusions?

3. What is the major difference between getting transfusions of whole blood vs. only gamma globulin?

4. Just looking at Don’s case, what is the evidence that gene therapy is working for him?